DE3380277D1 - Endoscope focus state detectors - Google Patents

Endoscope focus state detectors

Info

Publication number
DE3380277D1
DE3380277D1 DE8383302003T DE3380277T DE3380277D1 DE 3380277 D1 DE3380277 D1 DE 3380277D1 DE 8383302003 T DE8383302003 T DE 8383302003T DE 3380277 T DE3380277 T DE 3380277T DE 3380277 D1 DE3380277 D1 DE 3380277D1
Authority
DE
Germany
Prior art keywords
focus state
state detectors
endoscope focus
endoscope
detectors
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE8383302003T
Other languages
German (de)
Inventor
Yoshio Shishido
Kazumasa Matsuo
Atsushi Miyazaki
Shinichi Nishigaki
Shinichi Kato
Susumu Takahashi
Takeaki Nakamura
Akibumi Ishikawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Olympus Corp
Original Assignee
Olympus Optical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP5929782A external-priority patent/JPS58174915A/en
Priority claimed from JP57094277A external-priority patent/JPS58211110A/en
Priority claimed from JP57096533A external-priority patent/JPS58217904A/en
Priority claimed from JP57096531A external-priority patent/JPS58214122A/en
Priority claimed from JP57096532A external-priority patent/JPS58214114A/en
Priority claimed from JP57096530A external-priority patent/JPS58214113A/en
Application filed by Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Application granted granted Critical
Publication of DE3380277D1 publication Critical patent/DE3380277D1/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/30—Systems for automatic generation of focusing signals using parallactic triangle with a base line
    • G02B7/32—Systems for automatic generation of focusing signals using parallactic triangle with a base line using active means, e.g. light emitter

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
  • Automatic Focus Adjustment (AREA)
DE8383302003T 1982-04-08 1983-04-08 Endoscope focus state detectors Expired DE3380277D1 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP5929782A JPS58174915A (en) 1982-04-08 1982-04-08 Focusing detector and focusing setter
JP57094277A JPS58211110A (en) 1982-06-02 1982-06-02 Focusing detector for endoscope
JP57096533A JPS58217904A (en) 1982-06-05 1982-06-05 Focusing detector for endoscope
JP57096531A JPS58214122A (en) 1982-06-05 1982-06-05 Focusing detector for endoscope
JP57096532A JPS58214114A (en) 1982-06-05 1982-06-05 Endoscope focusing detector
JP57096530A JPS58214113A (en) 1982-06-05 1982-06-05 Endoscope focusing detector

Publications (1)

Publication Number Publication Date
DE3380277D1 true DE3380277D1 (en) 1989-08-31

Family

ID=27550749

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383302003T Expired DE3380277D1 (en) 1982-04-08 1983-04-08 Endoscope focus state detectors

Country Status (2)

Country Link
EP (1) EP0091805B1 (en)
DE (1) DE3380277D1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050182434A1 (en) 2000-08-11 2005-08-18 National Research Council Of Canada Method and apparatus for performing intra-operative angiography
US20060239921A1 (en) 2005-04-26 2006-10-26 Novadaq Technologies Inc. Real time vascular imaging during solid organ transplant
US20070122344A1 (en) 2005-09-02 2007-05-31 University Of Rochester Medical Center Office Of Technology Transfer Intraoperative determination of nerve location
US20080161744A1 (en) 2006-09-07 2008-07-03 University Of Rochester Medical Center Pre-And Intra-Operative Localization of Penile Sentinel Nodes
US8406860B2 (en) 2008-01-25 2013-03-26 Novadaq Technologies Inc. Method for evaluating blush in myocardial tissue
US10219742B2 (en) 2008-04-14 2019-03-05 Novadaq Technologies ULC Locating and analyzing perforator flaps for plastic and reconstructive surgery
ES2671710T3 (en) 2008-05-02 2018-06-08 Novadaq Technologies ULC Methods for the production and use of erythrocytes loaded with substances for the observation and treatment of microvascular hemodynamics
US10492671B2 (en) 2009-05-08 2019-12-03 Novadaq Technologies ULC Near infra red fluorescence imaging for visualization of blood vessels during endoscopic harvest
US10278585B2 (en) 2012-06-21 2019-05-07 Novadaq Technologies ULC Quantification and analysis of angiography and perfusion
CN107209118B (en) 2014-09-29 2021-05-28 史赛克欧洲运营有限公司 Imaging of target fluorophores in biological materials in the presence of autofluorescence
EP3203902B1 (en) 2014-10-09 2021-07-07 Novadaq Technologies ULC Quantification of absolute blood flow in tissue using fluorescence-mediated photoplethysmography
JP6931705B2 (en) 2017-02-10 2021-09-08 ノバダック テクノロジーズ ユーエルシー Open Field Handheld Fluorescence Imaging Systems and Methods

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3333105A (en) * 1963-04-26 1967-07-25 Philips Corp Device of the kind in which the distance of an object from a defined surface is determined or adjusted by means of a bridge circuit
US3599552A (en) * 1969-08-26 1971-08-17 Eastman Kodak Co Automatic focusing device
US3999192A (en) * 1970-05-27 1976-12-21 Canon Kabushiki Kaisha Focus detecting system
US4032934A (en) * 1974-12-26 1977-06-28 Hendrickson Kenneth L Automatic focusing system
JPS56120908A (en) * 1980-02-29 1981-09-22 Fuji Photo Optical Co Ltd Distance detecting device for endoscope
US4538062A (en) * 1981-11-19 1985-08-27 Olympus Optical Co., Ltd. Focusing detecting device with coaxial source and detector
DE3365490D1 (en) * 1982-01-14 1986-10-02 Olympus Optical Co Endoscopes having a focus state detector
DE3363889D1 (en) * 1982-03-19 1986-07-10 Olympus Optical Co Focus state detector
US4556787A (en) * 1982-03-23 1985-12-03 Olympus Optical Co., Ltd. Photosensor for optical observing or photographing devices

Also Published As

Publication number Publication date
EP0091805A2 (en) 1983-10-19
EP0091805B1 (en) 1989-07-26
EP0091805A3 (en) 1986-03-19

Similar Documents

Publication Publication Date Title
DE3370132D1 (en) Endoscope
GB2126372B (en) Endoscopic device
GB2066082B (en) Poerating endoscope
DE3279403D1 (en) Partial beam focus sensing device
DE3168137D1 (en) Endoscope
DE3380277D1 (en) Endoscope focus state detectors
JPS5769839A (en) Solid endoscope
GB2129642B (en) Focus detection
DE3363889D1 (en) Focus state detector
JPS56130135A (en) Endoscope
JPS56116442A (en) Endoscope
DE3375430D1 (en) Endoscope
JPS56112218A (en) Endoscope
GB2130091B (en) Endoscope
DE3365490D1 (en) Endoscopes having a focus state detector
JPS56132931A (en) Endoscope
JPS56100035A (en) Endoscope
JPS56158635A (en) Endoscope
JPS56128135A (en) Endoscope
JPS56132930A (en) Endoscope
JPS56145834A (en) Endoscope
JPS56143134A (en) Endoscope
JPS56136523A (en) Endoscope
JPS56119224A (en) Endoscope
HUT34683A (en) Endoscope lens

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee